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70 lines
1.8 KiB
70 lines
1.8 KiB
# mcux entropy generator driver configuration |
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# Copyright (c) 2016 ARM Ltd. |
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# SPDX-License-Identifier: Apache-2.0 |
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config ENTROPY_MCUX_RNGA |
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bool "MCUX RNGA driver" |
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default y |
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depends on DT_HAS_NXP_KINETIS_RNGA_ENABLED |
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select ENTROPY_HAS_DRIVER |
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help |
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This option enables the random number generator accelerator (RNGA) |
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driver based on the MCUX RNGA driver. |
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config ENTROPY_MCUX_TRNG |
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bool "MCUX TRNG driver" |
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default y |
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depends on DT_HAS_NXP_KINETIS_TRNG_ENABLED |
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select ENTROPY_HAS_DRIVER |
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help |
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This option enables the true random number generator (TRNG) |
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driver based on the MCUX TRNG driver. |
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config ENTROPY_MCUX_RNG |
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bool "MCUX RNG driver" |
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default y |
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depends on DT_HAS_NXP_LPC_RNG_ENABLED |
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select ENTROPY_HAS_DRIVER |
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help |
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This option enables the true random number generator (TRNG) |
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driver based on the MCUX RNG driver on LPC Family. |
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config ENTROPY_MCUX_CAAM |
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bool "MCUX CAAM driver" |
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default y |
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depends on DT_HAS_NXP_IMX_CAAM_ENABLED |
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select ENTROPY_HAS_DRIVER |
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select NOCACHE_MEMORY if ARCH_HAS_NOCACHE_MEMORY_SUPPORT |
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help |
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This option enables the CAAM driver based on the MCUX |
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CAAM driver. |
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# |
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# Don't use use the MCUX TRNG as a random source as it is not designed |
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# to supply a continuous random stream. Instead, it is used to provide |
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# a seed to RNG generator. |
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# |
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# Use the software implemented xoroshiro RNG. |
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# Use CSPRNG for cryptographically secure RNG source. |
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# |
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choice RNG_GENERATOR_CHOICE |
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default XOSHIRO_RANDOM_GENERATOR if ENTROPY_MCUX_TRNG |
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endchoice |
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choice CSPRNG_GENERATOR_CHOICE |
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default CTR_DRBG_CSPRNG_GENERATOR if ENTROPY_MCUX_TRNG |
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endchoice |
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if ENTROPY_MCUX_CAAM |
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config ENTRY_MCUX_CAAM_POOL_SIZE |
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int "CAAM random number pool size" |
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range 4 1024 |
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default 256 |
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help |
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Buffer length in bytes used to store random bytes generated by |
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CAAM hardware. Please note, that size of the pool must be a |
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power of 2. |
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endif # ENTROPY_MCUX_CAAM
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